What's in ARIZONA WATER CO - SUPERIOR's water?

ARIZONA WATER CO - SUPERIOR's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. 4,393 people get their water from it, across 1,369 connections.

ARIZONA WATER CO - SUPERIOR's record against the rest of the country

129 total violations and 0 health-based ones put ARIZONA WATER CO - SUPERIOR at the 27th percentile nationally for violation burden, rank 9,360 of 12,903.

How ARIZONA WATER CO - SUPERIOR compares within AZ

Among the 199 AZ systems in this dataset, the average is 8.2 health-based violations - ARIZONA WATER CO - SUPERIOR's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for ARIZONA WATER CO - SUPERIOR is from 2015-01-10. Last reported to EPA: 05/14/2026.

What this data is and is not

Everything on this page is ARIZONA WATER CO - SUPERIOR's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and ARIZONA WATER CO - SUPERIOR's customers' taps is household plumbing, invisible to a system-level record ranked 9,360th of 12,903 by violation count. The guide to what this data misses covers that gap.